What is ...Elements can join together to form compounds
100
Which of the following does NOT describe elements?
a) all the particles are alike
b) can be broken down into simpler substances
c) have unique sets of properties
d) can join together to form compounds
What is ......Can be broken down into simpler substances
100
Which of the following is NOT a physical property of matter?
a) ductility b) color c) thermal conductivity
d) reactivity of water
What is ....reactivity of water
100
Chicken noodle soup could be described as ....
a compound or a mixture
What is .... a mixture
100
A cork is able to float on water because it is ...
What is .... less dense that the water
200
What are the three major categories of elements?
What is ....Metals, nonmetals and metalloids
200
Which of the following is a compound?
a) C
b) CO
c) Co
d) Cl
What is .....CO
200
The amount of space taken up by an object is known as the object's....
What is .....volume
200
A material is only a mixture if....
a) you can physically separate the different components
b) you can see all the components
What is ...a) you can physically separate the different components.
200
Water and milk are examples of....
a) acids
b) neutrals
c) base
What is ...What is neutrals
300
What happens when elements form compounds, the elements...
What is ....React to form a new substance with new properties
300
An example of a physical property would be...
State of matter or Flammability
What is .....State of Matter
300
Being able to burn wood is an example of wood's...
What is ...Chemical properties
300
Dissolving salt in water demonstrates...
a) a chemical change b) physical change
c) both chemical and physical change
What is ....c) both chemical and physical change
300
Diet coke is a/an...
a) acid
b) neutral
c)base
d) density
What is ...acid
400
A compound is described as...
What is ..two or more elements combined
400
A chemical property of a substance is ...
Reactivity with water or Mass
What is ....Reactivity with water
400
When a canoe overturns, a pocket of air forms inside the canoe because air...
What is ....Takes of space even though it's invisible
400
When a student measures the mass and volume of an object to calculate the volume, the student is finding three______________ of the object..
Physical changes or Physical properties
What is ....Physical properties
400
Baking Soda is a/an...
acid neutral base density
What is ...Base
500
Which of the following is an element?
A) Water B) Ammonia C) Salt D) Gold
What is .......Gold
500
You accidentally break your pencil in half. This is an example of ....
What is ......A physical change
500
You drop a piece of chalk into a soda and it begins to bubble. This is an example of a ....
Physical change or Chemical change
What is ....Chemical change
500
One way to compare the densities of oil and water is to pour the liquids into a glass container and observer how they ....
What is ....separate into layers
500
What a mixture is missing from the following equation?
potassium bromide + iron sulfide----> potassium sulfide+____________
a) iron bromide
b) iron oxide